Hybrid IT Systems Administrator — Windows, Azure & OT

Academic Key; Amsterdam; Hybrid; EUR 55,000 - 75,000; Full time

Job summary

SkyNRG in Amsterdam is looking for a System Administrator to own and evolve our hybrid IT infrastructure, from Microsoft 365 and Azure to on‑premises servers, storage, and OT hosting. The role combines corporate and production-site support, with travel to the production site during construction and commissioning.

You’ll build, harden, and operate critical systems, manage AD, M365, Entra ID, Intune, and VMware/Hyper‑V environments, and implement backup, DR, patching, and security monitoring.

Qualifications

• 3+ years of experience as a System Administrator or similar infrastructure role.
• Strong knowledge of Windows Server and Active Directory including DNS, DHCP, and Group Policy.
• Hands-on experience with Hyper-V or VMware virtualization (vSphere/ESXi/vCenter) including clustering and shared storage.
• Experience with Microsoft 365, Entra ID, Intune, and Microsoft Azure.
• Experience with backup and disaster recovery tooling and processes.
• Experience managing HPE server and storage hardware.
• PowerShell scripting for automation and administration.
• Professional working proficiency in English.

Responsibilities

• Build and operate the on-premises server, storage, and virtualization platforms at headquarters and production sites, including the OT hosting environment.
• Administer Windows Server and Active Directory, including the domain services that support our production environment.
• Manage Microsoft 365, Entra ID, Intune, and Azure resources, preferably through infrastructure as code.
• Own backup, recovery, and disaster recovery, including regular restore tests and offline-capable backups for OT systems.
• Run patching, hardening, and vulnerability remediation for servers and endpoints.
• Manage the hardware lifecycle with our suppliers, from procurement and installation to support and replacement.
• Keep documentation, runbooks, and monitoring up to date, and support incident response with our security team and managed SOC provider.

Skills

Windows Server

Active Directory

Hyper-V

VMware

Microsoft 365

Entra ID

Intune

Azure

Backup & DR

PowerShell

English proficiency

HPE hardware

Tools

HPE hardware

Job description

SkyNRG in Amsterdam is looking for a System Administrator to own and evolve our hybrid IT infrastructure, from Microsoft 365 and Azure to on‑premises servers, storage, and OT hosting. The role combines corporate and production-site support, with travel to the production site during construction and commissioning.

You’ll build, harden, and operate critical systems, manage AD, M365, Entra ID, Intune, and VMware/Hyper‑V environments, and implement backup, DR, patching, and security monitoring.